Webster's Dictionary 1913

3268

Petrel

Pe″trel (?), n. [F. pétrel; a dim. of the name Peter, L. Petrus, Gr. � a stone (John i. 42); — probably so called in allusion to St. Peter's walking on the sea. See Petrify.] (Z...

3269

Petrescence

Pe‐tres″cence (?), n. The process of changing into stone; petrification.

3270

Petrescent

Pe‐tres″cent (?), a. [L. petra rock, stone, Gr. �.] Petrifying; converting into stone; as, petrescent water. Boyle.

3271

Petrifaction

Pet′ri‐fac″tion (?), n. [See Petrify.] 1. The process of petrifying, or changing into stone; conversion of any organic matter (animal or vegetable) into stone, or a substance of...

3272

Petrifactive

Pet′ri‐fac″tive (?), a. 1. Having the quality of converting organic matter into stone; petrifying.2. Pertaining to, or characterized by, petrifaction.The... petrifactive mutatio...

3273

Petrific

Pe‐trif″ic (?), a. [Cf. F. pétrifique.] Petrifying; petrifactive.Death with his mace petrific, cold and dry. Milton.

3274

Petrificate

Pet″ri‐fi‐cate (?), v. t. To petrify.Our hearts petrificated were. J. Hall (1646).

3275

Petrification

Pet′ri‐fi‐ca″tion (?), n. [Cf. F. pétrification. See Petrify.] 1. See Petrifaction.2. Fig.: Obduracy; callousness. Hallywell.

3276

Petrify

Pet″ri‐fy (?), v. t. [imp. & p. p.Petrified (?); p. pr. & vb. n.Petrifying (?).] [L. petra rock, Gr. � (akin to � a stone) + -fy: cf. F. pétrifier. Cf. Parrot, Petrel, Pier.] 1....

3277

Petrify (2)

Pet″ri‐fy, v. i. 1. To become stone, or of a stony hardness, as organic matter by calcareous deposits.2. Fig.: To become stony, callous, or obdurate.Like Niobe we marble grow,An...

3278

Petrine

Pe″trine (?), a. Of or pertaining to St. Peter; as, the Petrine Epistles.

3279

Petro-

Pet″ro– (?). A combining form from Gr. πέτρα a rock, πέτροσ a stone; as, petrology, petroglyphic.

3280

Petrogale

Pe‐trog″a‐le (pē̍‐trŏg″ȧ‐lē), n. [NL., fr. Gr. πέτρα a rock + γαλη̑ a weasel.] (Zoöl.) Any Australian kangaroo of the genus Petrogale, as the rock wallaby (P. penicillata).

3281

Petroglyphic

Pet′ro‐glyph″ic (?), a. Of or pertaining to petroglyphy.

3282

Petroglyphy

Pe‐trog″ly‐phy (?), n. [Petro + Gr. γλύφειν to carve.] The art or operation of carving figures or inscriptions on rock or stone.

3283

Petrographic

{ Pet′ro‐graph″ic (?), Pet′ro‐graph″ic‐al (?), } a. Pertaining to petrography.

3284

Petrography

Pe‐trog″ra‐phy (?), n. [Petro + -graphy.] 1. The art of writing on stone.2. The scientific description of rocks; that department of science which investigates the constitution o...

3285

Petrohyoid

Pet′ro‐hy″oid (pĕt′rō̍‐hī″oid), a. [Petro + hyoid.] (Anat.) Pertaining to the petrous, or periotic, portion of the skull and the hyoid arch; as, the petrohyoid muscles of the frog.

3286

Petrol

Pe‐trol″ (?), n. Petroleum.

3287

Petrolatum

Pet′ro‐la″tum (?), n.(Chem. & Pharm.) A semisolid unctuous substance, neutral, and without taste or odor, derived from petroleum by distilling off the lighter portions and purif...

3288

Petroleum

Pe‐tro″le‐um (pē̍‐trō″lē̍‐ŭm), n. [NL., fr. L. petra a rock + oleum oil: cf. F. pétrole. Cf. Petrify, and Oil.] Rock oil, mineral oil, or natural oil, a dark brown or greenish i...

3289

Pétroleur

{ ‖Pé′tro′leur″ (?), n. m.‖Pé′tro′leuse″ (?), n. f. } One who makes use of petroleum for incendiary purposes.

3290

Petroline

Pet″ro‐line (?), n.(Chem.) A paraffin obtained from petroleum from Rangoon in India, and practically identical with ordinary paraffin.

3291

Petrologic

{ Pet′ro‐log″ic (?), Pet′ro‐log″ic‐al (?), } a. Of or pertaining to petrology.

3292

Petrologically

Pet′ro‐log″ic‐al‐ly, adv. According to petrology.

3293

Petrologist

Pe‐trol″o‐gist (?), n. One who is versed in petrology.

3294

Petrology

Pe‐trol″o‐gy (?), n. [Petro + -logy.] 1. The department of science which is concerned with the mineralogical and chemical composition of rocks, and with their classification: li...